| Iodine | |
| Elemental State | I2 |
| Electron Configuration | 1s22s22p63s23p63d104s24p64d105s25p5 |
| First Ionization Potential | 10.451 eV |
| Electron Affinity | 3.059 eV |
| Z* | |
| Pauling Electronegativity | 2.66 |
| Covalent Radius | 1.33 Å |
| Metallic Radius | |
| Ionic Radius | 2.06 Å I– coordination number = 6 |
| van der Waal's Radius | 1.96 Å |
| Melting Point | 113.7 oC |
| Boiling Point | 184.4 oC |
| Density | 4.93 g/cm3 |
| Other Properties | |